import com.sun.org.apache.xerces.internal.xs.StringList;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.List;

public class test {
    //alt + insert 快速生成快捷键   get跟set 的

     //psvm
    public static void main(String[] args) {

        //fori
        for (int i = 0; i < 100; i++) {

        }
        List<String> stringList=new ArrayList();

        //I
        for(String s:stringList){

        }
        //sout
        System.out.println("输出语句");

        //ifn
        if (stringList == null) {

        }

        //ctrl+j  智能提示

        //I
        for (String s : stringList) {

        }


        //so  快捷输出
        System.out.println();



    }
}
